Water-motor.



No. 386,442. PATENTED MAY 5, 1908.

- R. D. TITTLE.

WATER MOTOR.

APPLICATION FILED JULY 5, 1906.

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No. 886,442. PATENTED MAY 5, 1908.

R. D. TITTLE.

WATER MOTOR.

APPLIOATION FILED JULY 5, 190a.

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UNITED STATES PATENT OFFICE.

WATER-MOTOR.

Specification of Letters Patent.

Patented May 5, 1908.

Application filed July 5, 1906. Serial No. 324,823.

To all whom it may concern:

1 Be it known that I, REUBEN D. TITTLE, a citizen of the United States, residing at S ringfield, in the county of Clark and State of Ohio, have invented certain new and useful Im rovements in ater-Motors, of which the folibwing is a specification, reference being had therein to the accompanying drawings.

This invention relates to water motors, and its object is to provide a motor of this type which will be simple in operation and cheap in construction, which will afford a positive action of the valves and in which the cylinder will be protected by a surrounding casing.

TVith these objects in view, my invention consists of the construction hereinafter described and more particularly pointed out in the claims.

Referring to the accompanying drawings, Figure 1 is a longitudinal section through the cylinder and valve chambers on the line ft x of Fig. 2; Fig. 2 is a transverse section on the line y y of Fig. 1 Fig. 3 is a longitudinal section through the upper portion of the cylinder on the line 2 2 0 Fig. 4; Fig. 4 is a front elevation of one of the caps, showing the interior thereof; Fig. 5 is a section taken vertically through one of the end ca s, showing the valve operating lever in detai ,Fi 6 is a longitudinal section of the piston; and Fig. 7 is a detail view of one form of the T-shaped lever.

The motor casing 1 is composed of three parallel cylindrical chambers 2, 3 and 4, the central and larger chamber 2 being adapted to receive the working cylinder 5 of the motor. This cylinder is entirely inclosed within the casing or chamber 2, and thus fully protected from injury from any outside source and strengthened against the pressure of the fluid within the same. The smaller parallel chambers 3 and 4 have inlet and outet ports 3 and 4, respectively, preferably formed at the central portion thereof and provided with nipples 3 and 4 These chambers contain valve rods 6 and 7 carrying valves 8, S, 9 and 9 for opening and closing the ends of the chambers. The chamber 4 is provided at each end with inwardly extending flanges 10 which provide valve seats for the valves 9 and 9. The motor casing is provided with end pieces or caps 11 having outwardly extending flanges 12 at the open ends thereof which are provided with bolt holes 13 adapted to register with similar holes in the flanges 14 on the casing 1. One or both these caps are also provided on their lower sides with supports or feet 11*, provided with slots 11 for the reception of the bolt. Each of these caps is provided at that point which registers with the chamber 3 with an inwardly extending portion 15, having an opening 16 therethrough and adapted to form valve seats for the valves 8 and 8. Loosely pivoted upon lugs 17 within the caps 11 are substantially T-shaped levers 18 having their upper ends 19 bent outwardly and provided on their rear faces with recesses 20 adapted to receive one end of a coiled spring 21, the opposite end of which bears against the cap 11 and is held against movement by a lug 22. The transverse portion 23 of this lever is slightly greater in length than the distance between the rods 6 and 7 and has a convex outer surface and has mounted thereon a flat s ring 24 having its ends curved away from tl ie bar 23.

Within the chambers 3 and 4 are formed lugs 25, provided with openings 26 which form bearings for the rods 6 and 7. These rods are of slightly greater length than the casing 1 and their ends project beyond said casing into the caps 11. A short distance from the opposite ends of the rod 6 and within the chamber 3 this rod is rovided with valve members, ,8 and 8, which may be of any suitable construction, that shown in the drawings being a rubber disk held in place by nuts or washers 27. The distance between these valves is less than the length of the casing 1 so that when one valve is closed against its seat the valve at the opposite end of the rod must necessarily be open.

The rod 7 in the chamber 4 is of equal length with the rod 6 and chamber 3 and is provided at its outer ends with valves, 9 and 9, which lie without the chamber 4 and within the caps 11 and bear against the valve seats 10 formed at the ends of the chamber 4. The distance between these valves is greater than the length of the easing 1 so that when the valve at one end of the rod is closed, the valve at the opposite end must necessarly be open. Both of the rods 6 and 7 are provided at one end with a coiled spring 28 bearing at one end against one of t e lugs 25 and at the other end against the valve members 8 and 9 respectively, and

adapted to hold these valves closed and open respectively when they are in their normal position.

With the construction hereinbefore described and the parts in the position shown in Figs. 1 and 3, the fluid is admitted through the port 3 into the chamber 3, passes around. the valve 8 through the cap 11 and into the working cylinder 5 and forces the piston 29 toward the opposite end of the cylinder. The fluid which is on the op osite side of the piston is forced out of the cy inder through the cap 11 and valve 9 into the chamber 4, thence through the exhaust port 4. As the piston approaches the end of its stroke, the flat surface formed on the hub of the piston comes in contact with the head or forwardly bent portion 19 of the T-shaped lever 18 and forces the same back against the pressure of the spring 21 into the cap 11, thereby throwing the cross bar 23 forward and causing the spring 24 to bear against the ends of the rods 6 and 7, compressing this spring which then serves to quickly force these rods toward the opposite end of the casing and carrying with them their respective valves, thereby opening the valve 8 and closing the valve 8 on the rod 6 and closing the valve 9 and opening the valve 9 on the rod 7, thus reversing the flow of fluid through the chamber 3 and causing it to pass around the valve 3 into the cap 11 and into the opposite end of the working cylinder 5, thus forcing the piston toward the opposite end so as to allow the cross bar 23 to move laterally to accommodate itself to any variation of the cylinder and exhausting the fluid on the opposite side of the piston through the valve 9, chamber 4 and exhaust port 4 The lever 18 is loosely pivoted to the lug 17 in the length or position of the bars 6 and'7 and cause the bar 23 to engage the ends of these rods simultaneously.

In a modified form of my invention I lengthen the rods 6 and 7 so that they extend to within a short distance of the ends of the cap. Within each of the caps 11 is pivotally mounted a substantially T-shaped lever 33 having a forwardly projecting upper end adapted to engage the piston as it approaches the end of its stroke, and in the ends of the cross bar 35 are provided slots 34 adapted to slide over the ends of the rods 6 and 7. Upon the ends of each of these rods I place a coiled spring 36 having one end bearing against the valve and the opposite end bearing against the extremities of the cross bar 35. The ositions of the valves 8, 8, 9 and 9 upon t e rods 6 and 7 are the same as in the former construction. As the piston approaches the end of its stroke it engages the upper end of the T-shaped lever 33, throwing the lower portion or cross bar thereof forward and compressing the coiled springs against the valves on the rods 6 and 7, forcing the same forward, thereby reversing the position of the valves as before described.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent, is

1. In a water motor, the combination, with a cylinder having inlet and outlet chambers extending parallel thereto and substantially the full length thereof, guide lugs rigidly secured within said chambers, and a piston working within said cylinder, of rods mounted to slide in said guide lugs and extending substantially the full length of said chamber, valve members secured near the ends of said rods, and means located at both ends of said chambers and controlled by the movement of said piston for positively and simultaneously operating said rods to open and close said valves, substantially as described.

2. In a Water motor, the combination, with a cylinder having inlet and outlet chambers extending substantially the full length thereof, and a piston working in said cylinder, of rods slidably mounted in said chambers, valves near the opposite ends of said rods, a lever pivoted near the end of said cylinder and having one end adapted to be engaged by said piston, and means at the opposite end of said lever for engaging the adjacent ends of said. rods to open and close said valves, substantially as described.

3. In a water motor, the combination, with a cylinder and a piston working therein, of inlet and outlet chambers, on opposite sides of said'cylinder and extending substantially the full length thereof, rods slidably mounted in said chambers, valves near the opposite ends of said rods, a lever pivoted at the end of said cylinder and having one end adapted to be engaged by said piston and a cross bar at the opposite end for operating said rods to open an close said valves, substantially as described.

4. In a water motor, the combination, with a cylinder and a piston working therein, of inlet and outlet chambers, valves near the opposite ends of said chambers, rods connected to said valves and adapted to operate the same, a lever pivoted at the end of said cylinder, a forwardly projecting art on the upper end of said. lever adapter to engage said piston, a cross bar at the lower end of said lever adapted to engage said rods to open and close said valves, substantially as described.

5. In a water motor, the combination, with a casing, a cylinder in said casing, and a pis ton working in said cylinder, of inlet and outlet chambers on opposite sides of said cylinder and extending substantially the full length thereof, caps adapted to be secured to the ends of said casing, rods slidably mounted in said chambers and having both ends extending into said caps, valves carried by said rods near the ends thereof, a lever pivoted within said cap, one end of said lever being adapted to be engaged by said piston, and a cross bar near the opposite end of said lever adapted to engage said rods and operate said valves, substantially as described.

6. In a water motor, the combination, with a casing, a cylinder within said casing, a piston working in said cylinder, inlet and outlet chambers, extending substantially the full length of said cylinder, rods slidably mounted in said chambers, valves mounted on said rods near the ends of said chambers, a cap for said casing, a substantially T-shaped lever pivoted in said ca the upper end of said lever being adaptec to be en aged by said piston, and the opposite encs of the cross bar at the lower end of said lever being adapted to engage said rods and operate said valves, and a spring holding the upper end of said lever normally in its forward position, substantially as described.

7. In a water motor, the combination, with a casing, a cylinder within said casing having inlet and outlet chambers extending sub stantially the full length thereof, and a piston working in said cylinder, of rods slidably mounted in said chambers, valves mounted on said rods near the ends of said chambers, a cap for said casing, a substantially T- shaped lever pivotally mounted on said cap, one end of said lever being adapted to be engaged by said piston, and the cross bar at the other end of said lever being adapted to engage said rods and operate said valves, and

means for holding the end of said lever adapted to be engaged by said piston in its forward position, substantially as described.

8. In a water motor, the combination, with a cylinder and a piston working therein, of inlet and outlet chambers for said cylinder, lugs within said chambers, rods carried by said lugs, valve seats at the opposite ends of said chamber, valve members carried by said rods and adapted to engage said valve seats, the distance between said valve members for one chamber being greater than the distance between said valve seats, and the distance between the valve members for the other chamber being less than the distance between said valve seats, coiled springs carried by said rods and bearing against said lugs and against said valve members, and means for operating said rods, substantially as described.

9. In a water motor, the combination, with a casing, a working cylinder within said casing, and a piston within said cylinder, of a cap bolted to said casing, inlet and outlet chambers for the cylinder extending substantially the full length thereof, lugs within said chambers, valve rods mounted in said lugs and extending through the ends of said chamber into said. cap, valves mounted on said rods and adapted to open and close the opposite ends of said chambers simultaneously, a lever mounted within said cap, one end of said lever being adapted to be engaged by said piston, the opposite end of said lever being adapted toengage said valve rods, substantially as described.

10. In a water motor, the combination, with a casing, a working cylinder within said casing, a piston working within said cylinder, and a cap for said casing, of inlet and outlet chambers for said cylinder, valve rods slidably mounted within said chambers, valves controlled by said rods for opening and closing said chambers, a lever loosely pivoted within said cap, a forwardly projecting portion on the upper end of said lever adapted to be engaged by said piston, a spring normally holding said upper portion in its forward position, a cross bar on the lower end of said lever having a convex surface, a flat spring secured to said cross bar and having its ends curved away from the same and adapted to engage the ends of said valve rods, substantially as described.

11. In a water motor, the combination, with a cylinder having inlet and outlet chambers extending parallel thereto and substantially the full length thereof, guide lugs rigidly secured within said chambers, and a piston working within said cylinder, of rods mounted to slide in said guide lugs and ex tending substantially the full length of said chambers, valve members secured upon said rods, and means located at both ends of said chambers and controlled by the movement of said piston for positively and simultaneously operating said rods to open and close said valves.

In testimony whereof, I aflix my signature A l/Vitnesses:

E. O. HAGAN, EDWARD T. REED. 

